479662978468 has 24 divisors (see below), whose sum is σ = 846058034304. Its totient is φ = 237937627200.

The previous prime is 479662978453. The next prime is 479662978477. The reversal of 479662978468 is 864879266974.

It is a junction number, because it is equal to n+sod(n) for n = 479662978394 and 479662978403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341088 + ... + 1037143.

It is an arithmetic number, because the mean of its divisors is an integer number (35252418096).

Almost surely, 2^479662978468 is an apocalyptic number.

It is an amenable number.

479662978468 is a deficient number, since it is larger than the sum of its proper divisors (366395055836).

479662978468 is a wasteful number, since it uses less digits than its factorization.

479662978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378923 (or 1378921 counting only the distinct ones).

The product of its digits is 1755758592, while the sum is 76.

The spelling of 479662978468 in words is "four hundred seventy-nine billion, six hundred sixty-two million, nine hundred seventy-eight thousand, four hundred sixty-eight".